Politicians could end up in court for failing to protect their citizens from air pollution, according to the UN’s top public health official.

Maria Neira compared the crisis over air pollution to the asbestos scandal, in which governments were accused of failing to act quickly enough to save lives despite knowing the risks.

In an interview with The Times, the director of the World Health Organisation’s Department of Public Health, Environmental and Social Determinants of Health, said that delaying action on the sources of air pollution, such as road traffic and wood burning in urban areas, would cost thousands of lives. She praised this newspaper’s Clean Air for All Campaign and supported our call for sales of new petrol and diesel cars to be banned…